//@COPYRIGHT@//
//
// Copyright (c) 2011, Tomoto S. Washio
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//   * Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
//   * Neither the name of the Tomoto S. Washio nor the names of his
//     contributors may be used to endorse or promote products derived from
//     this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//@COPYRIGHT@//

#include "AbstractPoseDetector.h"

AbstractPoseDetector::AbstractPoseDetector(UserDetector* userDetector)
{
	m_userDetector = userDetector;

	m_requiredPosingStability = 0;
	m_posingTicks = 0;
}

AbstractPoseDetector::~AbstractPoseDetector()
{
}

void AbstractPoseDetector::detect()
{
	float dt = m_ticker.tick();

	XnUserID userID = m_userDetector->getTrackedUserID();
	if (!userID) {
		return;
	}

	// TODO: should be time instead of frame rate
	if (isPosing(dt)) {
		if (m_posingTicks < m_requiredPosingStability) {
			m_posingTicks++;
		}
		if (m_posingTicks >= m_requiredPosingStability) {
			onPoseDetected(dt);
		}
	} else {
		if (m_posingTicks > 0) {
			m_posingTicks--;
		}
	}
}
